Drush

Installs the drush command-line tool for the deploy user. This only works with Drupal 7 and will be withdrawn with Drupal 7 EOL .

For Drupal 8 and above you must install drush with composer as described in the drush documentation .

Default variables

---
drush:
  # Where possible always load drush in your Drupal website with composer.
  version: 8.4.11
  use_vendor: false